Active NPI
Justin Diedrich, MD
- Gynecology Physician
- Agoura Hills, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gynecology Physician
- License
- A114859
- Practice address
- 29525 Canwood St Ste 220
Agoura Hills, CA 91301-4231 - Phone
- (818) 722-3262
- Fax
- (818) 584-8882
- NPI assigned
- Aug 28, 2009
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gynecology Physician | 207VG0400X | A114859 | CA | Primary |
Addresses
Primary practice location
29525 Canwood St Ste 220
Agoura Hills, CA 91301-4231
Mailing address
29525 Canwood St Ste 220
Agoura Hills, CA 91301-4231
Phone (818) 722-3262
Other practice location 1
1873 Commercenter W
San Bernardino, CA 92408-3303
Phone (714) 922-4100
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20150812007096 | CA | Practitioner - Obstetrics/Gynecology | 3476780495 | Reassigns benefits to 3 organizations |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A114859 | CA | MD | Gynecology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Planned Parenthood Pasadena and San Gabriel Valley Inc | Current | Accepting new patients | |
| University of California Irvine | Current | Accepting new patients | |
| Regents of the University of California | Obstetrics & Gynecology | Current | Accepting new patients |
| Planned Parenthood Pasadena and San Gabriel Valley Inc | Current | Accepting new patients | |
| University of California Irvine | Current | Accepting new patients | |
| Planned Parenthood/Orange and San Bernardino Counties, Inc. | Past | Accepting new patients | |
| Planned Parenthood of Greater New York Inc | Past | Accepting new patients | |
| University of California Irvine | Past | Accepting new patients | |
| Sharp Memorial Hospital | Past | Accepting new patients | |
| Planned Parenthood Mar Monte, Inc | Past | Accepting new patients |
Locations
300 W Carl Karcher Way
Anaheim, CA 92801
Phone (657) 282-6356
5903 N Figueroa St
Los Angeles, CA 90042
Phone (626) 798-0706
101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054
700 S Tustin St
Orange, CA 92866
Phone (714) 633-4550
620 N Lake Ave
Pasadena, CA 91101
Phone (626) 793-7350
1045 N Lake Ave
Pasadena, CA 91104
Phone (626) 794-5737
800 N Main St
Santa Ana, CA 92701
Phone (714) 456-6324
Interoperability endpoints
- justin.diedrich.p1@direct.ppgt.nextgenshare.com
- justin.diedrichmd.p1@direct.ppmarmonte.nextgenshare.com
- justin.diedrichmd.p1@direct.plannedparenthoodla.nextgenshare.com
- jdiedrich100904@direct.llu.edu
Organizations & group practices 10
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Community Health Clinic/Center
- Pasadena, CA
- NPI 1073669040
CA
-
- Obstetrics & Gynecology Physician
- Orange, CA
- NPI 1356304034
CA, Obstetrics & Gynecology
-
- Federally Qualified Health Center (FQHC)
- Anaheim, CA
- NPI 1598790529
CA
-
- Community Health Clinic/Center
- Baldwin Park, CA
- NPI 1710537303
-
- Pharmacy
- Irvine, CA
- NPI 1669344339
-
- Community Health Clinic/Center
- San Jose, CA
- NPI 1043263189
-
- Clinic/Center
- Anaheim, CA
- NPI 1710975727
-
- Rehabilitation Hospital Unit
- San Diego, CA
- NPI 1114901352
-
- General Acute Care Hospital
- Orange, CA
- NPI 1689608150
-
- Ambulatory Family Planning Facility
- Brooklyn, NY
- NPI 1417959701
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1251417600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1752710400000",
"number": "1396978037",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "29525 CANWOOD ST STE 220",
"city": "AGOURA HILLS",
"state": "CA",
"postal_code": "913014231",
"telephone_number": "818-722-3262",
"fax_number": "818-584-8882"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "29525 CANWOOD ST STE 220",
"city": "AGOURA HILLS",
"state": "CA",
"postal_code": "913014231",
"telephone_number": "818-722-3262",
"fax_number": "818-584-8882"
}
],
"practiceLocations": [
{
"address_1": "1873 Commercenter W",
"address_purpose": "LOCATION",
"city": "San Bernardino",
"state": "CA",
"postal_code": "924083303",
"country_code": "US",
"telephone_number": "714-922-4100",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "DIEDRICH",
"first_name": "JUSTIN",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2009-08-28",
"last_updated": "2025-07-17",
"certification_date": "2025-07-17",
"status": "A"
},
"taxonomies": [
{
"code": "207VG0400X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology, Gynecology",
"state": "CA",
"license": "A114859",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Agoura Hills, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.